Originally Posted by renosubby
Trial and error LOL!
had an 06 wrx that did it twice.
This was the only way I was able to flash the car.
1. Connect connectors read ecu leave key on
2. make changes to the read file
3. flash changes
4. unconnect connectors
5. repeat everytime you need to flash!
So where is the issue? Inside the ECU itself? Would replacing the ECU fix the issue?